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Quiz 24
Mdcat-past-papers - ETEA Quiz
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Board: ETEA |
461. Pyruvate is converted into --- before entering into Krebs cycle:
Acetyl CoA
Citrate
CO2
Malate
462. Which step of Krebs cycle does not yield NADH?
Citrate → isocitrate
Isocitrate → α-Ketoglutarate
Malate— Oxaloacetate
All reduces NADH
463. Dark reaction of photosynthesis takes place in- of chloroplast:
Thylakoids
Grana
Intergrana
Stroma
464. End product of Calvin cycle is:
3-phosphoglycerate
1,3-bisphosphoglycerate
Glyceraldehyde-3-phosphate
Glucose
465. Total NADH formed by one molecule of glucose during Krebs cycle are:
6
3
8
18
466. In one turn, the krebs cycle produces one molecule of ATP,one molecule of FADH2 and --- molecule of NADH:
1
2
3
4
467. Pyruvate → Acetyl CoA
FAD → FADH
NAD+ → NADH + H+
NAD → NADH
FADH+ → FAD+H+
468. Carriers of the respiratory chain are located:
Matrix of mitochondria
Inner membrane of mitochondria
Outer membrane of mitochondria
Not specified (not fully visibl
469. How many molecules of ATP will be utilized for phosphorylation of one glucose molecule during glycolysis:
one
two
three
four
470. Which of the following is not a consequence of anaerobic respiration in human muscle cells?
Cramps
High consumption of energy
Pain
Tiredness
471. Out of 36 ATPs, how many are produced in electron transport chain ?
28
32
30
34
472. What is the importance of Kreb's cycle?
Production of amino acids
Production of vitamins
Production of ATP molecules through oxidative phosphorylation
Production of pyruvic acid
473. The acceptor of carbon dioxide in Calvin cycle is:
RuBP
RuMP
PGA
PGA1
474. Which statement is correct about glycolysis process?
2 ATP are produced and 2 ATP are consumed
1 ATP is produced and 2 ATP are consumed
2 ATP are produced and 1 ATP are consumed
2 ATP are produced and 4 ATP are consumed
475. In electron transport chain ultimate electron acceptor is:
NADH
Oxygen
NAD+
Cytochrome complex
476. The only copper containing protein during light reactions of photosynthesis is
Plastoquinone
Cytochrome
Ferredoxin
Plastocyanin
477. In Electron transport chain, ATP synthesis takes place when electrons move from:
Primary electron acceptor to plastoquinone
Plastoquinone to cytochrome
Cytochrome to plastocyanin
Plastocyanin to Photosystem-I
478. The end product of glycolysis in aerobic respiration is;
Ethanol + CO2
Lactate
Pyruvate
Acetyl Co A
479. During glycolysis isomerization takes place in the formation of:
Dihydroxyacetone phosphate and 2-phosphoglycerate
G3P and Fructose —6-Phosphate
PEP and pyruvate
Fructose 6 phosphate and 3 phosphoglycerate
480. Food is diverted in the esophagus by:
Glottis
Tongue
Cheeks
Epiglottis
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